Italian UDEUR senator Tommaso Barbato (L) argues with his peer UDEUR senator Sergio...Italian UDEUR senator Tommaso Barbato (L) argues with his peer UDEUR senator Sergio Cusumano (out of camera range) at the Senate in Rome, 24 January 2008. Italian Prime Minister Romano Prodi put his political survival on the line, calling for a vote of confidence in his centre-left government after 20 months in power. The crisis was sparked by the withdrawal of the centrist UDEUR party.LessMore